.btn_send {
    flex-shrink: 0;
    color: var(--color-primary);
    font-size: 14px;
    padding: 4px 15px;
    transition: 0.3s;
    cursor: pointer;

    &:hover:not(.disabled) {
        opacity: 0.8;
    }

    &.disabled {
        color: rgba(0, 0, 0, 0.25);
        cursor: not-allowed;
    }
}